gecko-dev/xpcom/build/Omnijar.cpp

102 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Michael Wu <mwu@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "Omnijar.h"
#include "nsILocalFile.h"
#include "nsXULAppAPI.h"
#include "nsZipArchive.h"
static nsILocalFile* sOmnijarPath = nsnull;
static nsZipArchive* sOmnijarReader = nsnull;
static void
SetupReader()
{
if (!sOmnijarPath) {
return;
}
nsZipArchive* zipReader = new nsZipArchive();
if (!zipReader) {
NS_IF_RELEASE(sOmnijarPath);
return;
}
if (NS_FAILED(zipReader->OpenArchive(sOmnijarPath))) {
delete zipReader;
NS_IF_RELEASE(sOmnijarPath);
return;
}
sOmnijarReader = zipReader;
}
nsILocalFile*
mozilla::OmnijarPath()
{
if (!sOmnijarReader)
SetupReader();
return sOmnijarPath;
}
nsZipArchive*
mozilla::OmnijarReader()
{
if (!sOmnijarReader)
SetupReader();
return sOmnijarReader;
}
void
mozilla::SetOmnijar(nsILocalFile* aPath)
{
NS_IF_RELEASE(sOmnijarPath);
if (sOmnijarReader) {
sOmnijarReader->CloseArchive();
delete sOmnijarReader;
sOmnijarReader = nsnull;
}
sOmnijarPath = aPath;
NS_IF_ADDREF(sOmnijarPath);
}